# Eth\_blockNumber

## Ethereum method - eth\_blockNumber

> Returns the number of the latest block on the chain in hexadecimal format.

```json
{"openapi":"3.0.0","info":{"title":"Ethereum JSON-RPC","version":"1.0.0"},"servers":[{"url":"https://zksync.nownodes.io"}],"security":[{"api-keyAuth":[]}],"components":{"securitySchemes":{"api-keyAuth":{"type":"apiKey","in":"header","name":"api-key"}}},"paths":{"/":{"post":{"tags":["eth_blockNumber"],"summary":"Ethereum method - eth_blockNumber","description":"Returns the number of the latest block on the chain in hexadecimal format.","operationId":"ethBlockNumber","requestBody":{"required":true,"content":{"application/json":{"schema":{"type":"object","required":["jsonrpc","method","params","id"],"properties":{"jsonrpc":{"type":"string","description":"The JSON-RPC protocol version"},"method":{"type":"string","description":"Name of the method being called"},"params":{"type":"array","description":"This method does not take parameters; always send an empty array."},"id":{"type":"integer","description":"A unique ID for the request"}}}}}},"responses":{"200":{"description":"The latest block number","content":{"application/json":{"schema":{"type":"object","properties":{"jsonrpc":{"type":"string","description":"JSON-RPC version used in the response"},"id":{"type":"integer","description":"ID that matches the original request"},"result":{"type":"string","description":"The block number of the latest block, represented as a hexadecimal string.\nExample: \"0x10d4f\" equals 68943 in decimal.\n"}}}}}}}}}}}
```